Publications of the first and second geological surveys.
Publisher: J.L.L. Kuhn, Printer to the Commonwealth
Published: 1917
Place of publication: Harrisburg
Language: eng
Number of pages: 16
Subjects: Pennsylvania. -- Geological survey, 1st; Pennsylvania. -- Geological survey, 2nd
Notes: At head of title: Topographic and Geological Survey of Pennsylvania.

Pa. State Docs. class. no. PY G345.2:P976:1917.